People watch as Hoa Binh hydroelectric power plant opens the flood gates after a heavy rainfall caused by a tropical depression in Hoa Binh province, outside Hanoi

People watch as Hoa Binh hydroelectric power plant opens the flood gates after a heavy rainfall caused by a tropical depression in Hoa Binh province, outside Hanoi

People watch as Hoa Binh hydroelectric power plant opens the flood gates after a heavy rainfall caused by a tropical depression in Hoa Binh province, outside Hanoi, Vietnam October 12, 2017. REUTERS/Kham

October 20, 2017 3:45 PM (UTC+8)